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Unformatted text preview: doesnt change, the net work done is zero. (Looks like ric-tion exactly balances your orce, so i you did +W, riction did -W.) 1 point(s) : Total Points for Problem: 1 Points 1 Solution to On-Line Homework Problem 15.2() Problem: Under what condition can you use the equation for aver-age power? Select One of the Following: (a) constant velocity (b) constant position (c) non-uniformly accelerated motion (d-Answer) constant force Solution v F ext must be constant over the span of time for which the average is taken. 1 point(s) : demonstrates under-standing that it must be, or approxi-mates, a constant force. Total Points for Problem: 1 Points 2...
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